exclude :test_binary, "needs investigation"
exclude :test_binary_mode, "needs investigation"
exclude :test_binmode, "needs investigation"
exclude :test_binmode2, "needs investigation"
exclude :test_binmode3, "needs investigation"
exclude :test_binmode_paragraph_nonasciicompat, "needs investigation"
exclude :test_binmode_write_ascii_incompat_internal, "needs investigation"
exclude :test_both_textmode_binmode, "needs investigation"
exclude :test_cbuf, "needs investigation"
exclude :test_cbuf_select, "needs investigation"
exclude :test_cr_decorator_on_stdout, "needs investigation"
exclude :test_crlf_decorator_on_stdout, "needs investigation"
exclude :test_default_mode_on_unix, "needs investigation"
exclude :test_dup, "needs investigation"
exclude :test_dup_undef, "needs investigation"
exclude :test_error_nonascii, "needs investigation"
exclude :test_file_foreach, "needs investigation"
exclude :test_getc_ascii_only, "needs investigation"
exclude :test_getc_conversion, "needs investigation"
exclude :test_getc_invalid, "needs investigation"
exclude :test_getc_invalid2, "needs investigation"
exclude :test_getc_invalid3, "needs investigation"
exclude :test_getc_newlineconv, "needs investigation"
exclude :test_getc_newlineconv_invalid, "needs investigation"
exclude :test_getc_stateful_conversion, "needs investigation"
exclude :test_gets_invalid, "needs investigation"
exclude :test_gets_limit, "needs investigation"
exclude :test_gets_nil, "needs investigation"
exclude :test_ignored_encoding_option, "needs investigation"
exclude :test_inspect_nonascii, "needs investigation"
exclude :test_invalid_r, "needs investigation"
exclude :test_invalid_w, "needs investigation"
exclude :test_io_new_enc, "needs investigation"
exclude :test_lf_decorator_on_stdout, "needs investigation"
exclude :test_marshal, "needs investigation"
exclude :test_nonascii_terminator, "needs investigation"
exclude :test_open_ascii, "needs investigation"
exclude :test_open_nonascii, "needs investigation"
exclude :test_open_pipe_r_enc, "needs investigation"
exclude :test_open_pipe_r_enc2, "needs investigation"
exclude :test_open_r, "needs investigation"
exclude :test_open_r_ascii8bit, "needs investigation"
exclude :test_open_r_enc, "needs investigation"
exclude :test_open_r_enc_enc, "needs investigation"
exclude :test_open_r_enc_enc_in_opt, "needs investigation"
exclude :test_open_r_enc_in_opt, "needs investigation"
exclude :test_open_r_encname_encname, "needs investigation"
exclude :test_open_r_encname_encname_in_opt, "needs investigation"
exclude :test_open_r_encname_in_opt, "needs investigation"
exclude :test_open_r_ext_enc_in_opt, "needs investigation"
exclude :test_open_r_ext_encname_in_opt, "needs investigation"
exclude :test_open_r_externalencname_internalencname_in_opt, "needs investigation"
exclude :test_open_rb, "needs investigation"
exclude :test_open_w, "needs investigation"
exclude :test_open_w_enc, "needs investigation"
exclude :test_open_w_enc_enc, "needs investigation"
exclude :test_open_w_enc_enc_in_opt, "needs investigation"
exclude :test_open_w_enc_enc_in_opt2, "needs investigation"
exclude :test_open_w_enc_enc_perm, "needs investigation"
exclude :test_open_w_enc_in_opt, "needs investigation"
exclude :test_open_w_enc_in_opt2, "needs investigation"
exclude :test_open_wb, "needs investigation"
exclude :test_pipe, "needs investigation"
exclude :test_pipe_conversion, "needs investigation"
exclude :test_pipe_convert_partial_read, "needs investigation"
exclude :test_pipe_terminator_conversion, "needs investigation"
exclude :test_popen_r_enc, "needs investigation"
exclude :test_popen_r_enc_enc, "needs investigation"
exclude :test_popen_r_enc_enc_in_opt, "needs investigation"
exclude :test_popen_r_enc_enc_in_opt2, "needs investigation"
exclude :test_popen_r_enc_in_opt, "needs investigation"
exclude :test_popen_r_enc_in_opt2, "needs investigation"
exclude :test_popenv_r_enc_enc_in_opt2, "needs investigation"
exclude :test_puts_widechar, "needs investigation"
exclude :test_read_all, "needs investigation"
exclude :test_read_all_invalid, "needs investigation"
exclude :test_read_encoding, "needs investigation"
exclude :test_read_mode, "needs investigation"
exclude :test_read_newline_conversion_error, "needs investigation"
exclude :test_read_newline_conversion_with_encoding_conversion, "needs investigation"
exclude :test_read_newline_conversion_without_encoding_conversion, "needs investigation"
exclude :test_read_stateful, "needs investigation"
exclude :test_s_foreach_enc, "needs investigation"
exclude :test_s_foreach_enc_enc, "needs investigation"
exclude :test_s_foreach_enc_enc_in_opt, "needs investigation"
exclude :test_s_foreach_enc_enc_in_opt2, "needs investigation"
exclude :test_s_foreach_enc_in_opt, "needs investigation"
exclude :test_s_foreach_enc_in_opt2, "needs investigation"
exclude :test_s_foreach_open_args_enc, "needs investigation"
exclude :test_s_foreach_open_args_enc_enc, "needs investigation"
exclude :test_s_foreach_open_args_enc_enc_in_opt, "needs investigation"
exclude :test_s_foreach_open_args_enc_enc_in_opt2, "needs investigation"
exclude :test_s_foreach_open_args_enc_in_opt, "needs investigation"
exclude :test_s_foreach_open_args_enc_in_opt2, "needs investigation"
exclude :test_s_pipe_invalid, "needs investigation"
exclude :test_s_pipe_undef, "needs investigation"
exclude :test_s_pipe_undef_replace_string, "needs investigation"
exclude :test_set_encoding, "needs investigation"
exclude :test_set_encoding2, "needs investigation"
exclude :test_set_encoding_binmode, "needs investigation"
exclude :test_set_encoding_enc, "needs investigation"
exclude :test_set_encoding_identical, "needs investigation"
exclude :test_set_encoding_invalid, "needs investigation"
exclude :test_set_encoding_nil, "needs investigation"
exclude :test_set_encoding_undef, "needs investigation"
exclude :test_set_encoding_undef_replace, "needs investigation"
exclude :test_set_encoding_unsupported, "needs investigation"
exclude :test_stdin_external_encoding_with_reopen, "needs investigation"
exclude :test_strip_bom, "needs investigation"
exclude :test_terminator_conversion, "needs investigation"
exclude :test_terminator_conversion2, "needs investigation"
exclude :test_terminator_stateful_conversion, "needs investigation"
exclude :test_text_mode, "needs investigation"
exclude :test_text_mode_ungetc_eof, "needs investigation"
exclude :test_textmode_decode_universal_newline_getc, "needs investigation"
exclude :test_textmode_decode_universal_newline_gets, "needs investigation"
exclude :test_textmode_decode_universal_newline_read, "needs investigation"
exclude :test_textmode_decode_universal_newline_utf16, "needs investigation"
exclude :test_textmode_encode_newline, "needs investigation"
exclude :test_textmode_encode_newline_enc, "needs investigation"
exclude :test_textmode_paragraph_binaryread, "needs investigation"
exclude :test_textmode_paragraph_nonasciicompat, "needs investigation"
exclude :test_textmode_paragraphmode, "needs investigation"
exclude :test_textmode_twice, "needs investigation"
exclude :test_undef_r, "needs investigation"
exclude :test_undef_w_stateful, "needs investigation"
exclude :test_undef_w_stateless, "needs investigation"
exclude :test_ungetc_int, "needs investigation"
exclude :test_ungetc_stateful_conversion, "needs investigation"
exclude :test_ungetc_stateful_conversion2, "needs investigation"
exclude :test_ungetc_str, "needs investigation"
exclude :test_w_xml_attr, "needs investigation"
exclude :test_write_ascii_incompat, "needs investigation"
exclude :test_write_conversion, "needs investigation"
exclude :test_write_conversion_anyenc_stateful, "needs investigation"
exclude :test_write_conversion_anyenc_stateful_nosync, "needs investigation"
exclude :test_write_conversion_anyenc_stateless, "needs investigation"
exclude :test_write_conversion_fixenc, "needs investigation"
exclude :test_write_mode, "needs investigation"
exclude :test_write_mode_fail, "needs investigation"
exclude :test_write_noenc, "needs investigation"
exclude :"test_bom_non_utf", "needs investigation"
exclude :"test_bom_too_long_utfname", "needs investigation"
exclude :"test_each_codepoint_need_more", "needs investigation"
